GWT Class Reference

These packages contain reference information about the main GWT user interface and utility classes. For higher-level explanations of how to take advantage of all this stuff, check out the Developer Guide. Among other things, there's a handy widget gallery and an explanation of how remote procedure calls work.

For a list of JRE classes that GWT can translate out of the box, see the documentation for the GWT JRE emulation library.

Packages

com.google.gwt.core.clientFundamental classes used in client-side GWT code.
com.google.gwt.core.extClasses used to extend the GWT compiler.
com.google.gwt.core.ext.typeinfoType-introspection support classes used by generators.
com.google.gwt.http.clientProvides the client-side classes and interfaces for making HTTP requests and processing the associated responses.
com.google.gwt.i18n.clientInternationalization support for GWT applications.
com.google.gwt.json.clientClasses for parsing and creating JSON encoded values.
com.google.gwt.junit.clientClasses and modules used in building JUnit tests.
com.google.gwt.user.clientFundamental user-interface classes used in client-side GWT code.
com.google.gwt.user.client.rpcClasses used in client-side implementation of remote procedure calls.
com.google.gwt.user.client.uiWidgets, Panels, and other user-interface classes.
com.google.gwt.user.server.rpcClasses used in server-side implementation of remote procedure calls.
com.google.gwt.xml.clientBasic classes used in XML DOM parsing and XML document generation.